News Releases

Quarterly review AEX-Index family

Amsterdam– 6 December 2012–NYSE Euronext announces the results of the quarterly review for the AEX®, the AMX® and the AScX®. The new composition of these indices will be effective fromMonday December 24th, 2012.

Results of the December 2012 review

AEX:

No changes

AMX:

- No changes

AScX:

- Exclusion of Qurius N.V.
- Inclusion of Koninklijke Brill N.V.

In the event of a take-over or other exceptional circumstances, the Compiler of the indices has the right to revise the selection during the period before the effective date of the review.

Review AEX-Index family

The AEX-Index® family (AEX, AMX, AScX) is reviewed quarterly (March, June, September, December). The full annual review will continue to be conducted in March. The June, September and December review serve to include new entrants in case the index consists of less then 25 constituents and to facilitate inclusion of top 15 ranking non- constituents, for example recently listed companies (IPO’s).

Timing of the reviews are aligned with the expiry of index derivative contracts, and the reviews aretherefore effective after the close of business on the third Friday of the respective month.

About NYSE EuronextNYSE Euronext (NYX) is a leading global operator of financial markets and provider of innovative trading technologies. The company's exchanges in Europe and the United States trade equities, futures, options, fixed-income and exchange-traded products. With approximately 8,000 listed issues (excluding European Structured Products), NYSE Euronext's equities markets - the New York Stock Exchange, NYSE Euronext, NYSE MKT, NYSE Alternext and NYSE Arca - represent one-third of the world's equities trading, the most liquidity of any global exchange group. NYSE Euronext also operates NYSE Liffe, one of the leading European derivatives businesses and the world's second-largest derivatives business by value of trading. The company offers comprehensive commercial technology, connectivity and market data products and services through NYSE Technologies. NYSE Euronext is in the S&P 500 index. For more information, please visit:http://www.nyx.com

Disclaimer and Cautionary Note Regarding Forward-Looking StatementsThis press release may contain forward-looking statements, including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements include, but are not limited to, statements concerning NYSE Euronext's plans, objectives, expectations and intentions and other statements that are not historical or current facts. Forward-looking statements are based on NYSE Euronext's current expectations and involve risks and uncertainties that could cause actual results to differ materially from those expressed or implied in such forward-looking statements. Factors that could cause NYSE Euronext's results to differ materially from current expectations include, but are not limited to: NYSE Euronext's ability to implement its strategic initiatives, economic, political and market conditions and fluctuations, government and industry regulation, interest rate risk and U.S. and global competition, and other factors detailed in NYSE Euronext's 2011 Annual Report on Form 10-K and other periodic reports filed with the U.S. Securities and Exchange Commission or the French Autorité des Marchés Financiers. In addition, these statements are based on a number of assumptions that are subject to change. Accordingly, actual results may be materially higher or lower than those projected. The inclusion of such projections herein should not be regarded as a representation by NYSE Euronext that the projections will prove to be correct. This press release speaks only as of this date. NYSE Euronext disclaims any duty to update the information herein.

“AEX®”,”AEX-Index®”, “AMX®”, “AMX-Index®” and “AScX®” are registered trademark(s) of Euronext N.V. or its subsidiaries